maintenanceSpark Plug Servicefor 1994 Mercedes-Benz 300E 3.0L I6 M103 · AWDLabor Hours1hrRange: 0.8–1.2 hrConfidenceestimatedAt $110/hr (independent shop)$110Estimated labor cost. Parts not included.Other labor times on this vehicle100K Service4.6 hr30K Service3.3 hr4WD Actuator5.2 hr60K Service4.6 hr90K Service4.6 hrABS Module2.6 hrABS Pump2.6 hrABS Wheel Speed Sensor - Front2.6 hrSpark Plug Service on similar vehicles1997 Acura CL 2.2L I40.8 hr1997 Acura CL 3.0L V60.8 hr1998 Acura CL 2.2L I40.8 hr1998 Acura CL 3.0L V60.8 hr1999 Acura CL 2.2L I40.8 hr1999 Acura CL 3.0L V60.8 hr📝 Suggest a correction to this labor time